September 11, 2018
Various models of semi-automatic rifles are on display at a store in Pennsylvania on March 1, 2018. Research published Tuesday, Sept. 11, 2018 in the Journal of the American Medical Association shows active shooters with semi-automatic rifles wound and kill twice as many people as those using non-automatic weapons. (Keith Srakocic/AP Photo File)
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CHICAGO — Active shooters with semi-automatic rifles wound and kill twice as many people as those using weapons that don't self-load, although chances of dying if hit in either type of assault are the same, a new analysis shows.